Mechanical, oxidation and ablation properties of C/(C-SiC)CVI-(ZrC-SiC)PIP composites
Mechanical, oxidation and ablation properties of C/(C-SiC)CVI-(ZrC-SiC)PIP composites
复制标题
C/(C-SiC)CVI-(ZrC-SiC)PIP复合材料的机械、氧化和烧蚀性能
DOI:
10.1016/j.corsci.2019.108200
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发表时间:
2020
影响因子:
8.3
通讯作者:
Hui-Ming Cheng
中科院分区:
文献类型:
--
作者:
Jinjin Yao;Shengyang Pang;Chenglong Hu;Jian Li;Sufang Tang;Hui-Ming Cheng
A joint chemical vapor infiltration-precursor infiltration and pyrolysis (CVI-PIP) process was used to fabricate C/C-SiC-ZrC composites with different volume ratio of CVI-derived C-SiC. The composite with a C-SiC volume ratio of 0.91 has a higher tensile and flexural strength of 181.7 MPa and 352.8 MPa, respectively, and also exhibits a better anti-oxidation property at 800∼1400 °C for 30 h. After an oxyacetylene ablation for 600 s at ∼2100 °C, the composite with a C-SiC volume ratio of 0.12 possesses a better anti-ablation performance with a linear and mass ablation rates of 0.94 um × s−1and 0.13 mg × cm-2×s−1, respectively.
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